#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (C) 2006-2007 Søren Roug, European Environment Agency
#
# This is free software.  You may redistribute it under the terms
# of the Apache license and the GNU General Public License Version
# 2 or at your option any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
#
# Contributor(s): Michael Howitz, gocept gmbh & co. kg

import sys
import getopt

import odf.userfield


listfields = False
Listfields = False
xfields = []
Xfields = []
setfields = {}
outputfile = None
inputfile = None


def exitwithusage(exitcode=2):
    """ print out usage information """
    sys.stderr.write("Usage: %s [-lL] [-xX metafield] [-s metafield:value]... "
                     "[-o output] [inputfile]\n" % sys.argv[0])
    sys.stderr.write("\tInputfile must be OpenDocument format\n")
    sys.exit(exitcode)


try:
    opts, args = getopt.getopt(sys.argv[1:], "lLs:o:x:X:")
except getopt.GetoptError:
    exitwithusage()

if len(opts) == 0:
    exitwithusage()

for o, a in opts:
    if o == '-s':
        if a.find(":") >= 0:
            k,v = a.split(":",1)
        else:
            k,v = (a, "")
        if len(k) == 0:
            exitwithusage()
        setfields[k] = unicode(v, 'utf-8')
    if o == '-l':
        listfields = True
        Listfields = False
    if o == '-L':
        Listfields = True
        listfields = False
    if o == "-x":
        xfields.append(a)
    if o == "-X":
        Xfields.append(a)
    if o == "-o":
        outputfile = a

if len(args) != 0:
    inputfile = args[0]

user_fields = odf.userfield.UserFields(inputfile, outputfile)

if xfields:
    for value in user_fields.list_values(xfields):
        print value

if Listfields or Xfields:
    if Listfields:
        Xfields = None
    for field_name, value_type, value in user_fields.list_fields_and_values(
        Xfields):
        print "%s#%s:%s" % (field_name, value_type, value)
    
if listfields:
    for value in user_fields.list_fields():
        print value

if setfields:
    user_fields.update(setfields)
